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2875
Changing on a Segment (High)
Very easy
2881
Сервера
Very easy
2883
Arithmetic Encoding
Hard
2890
Perfect Powers
Medium
2903
Parking
Very easy
2915
XOR pairs
Easy
2919
Это левая куча?
Easy
2920
Высота левого дерева
2921
Правый путь левого дерева
Very easy
2994
Система уравнений
Very hard
3008
Лифт
Hard
3017
Bus Trip
Easy
3041
Перекрёсток
Medium
3067
Distributing Ballot Boxes
3076
Nothing On TV
Medium
3089
Very Boring Homework
Medium
3125
Find the Treasure
3143
Лексикографически наименьшее троичное
Medium
3186
Invisible point
Very easy
3254
01110001, That Is the Question
3312
Operator
3319
Four Points
Very easy
3325
Worst Locations
Very easy
3326
Counting BST
3332
Serial Numbers
Easy
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